refactor(ui): 移除卡牌槽组件CardComp及关联资源

1.  移除了CardComp.ts主文件和对应的prefab、meta配置文件
2.  更新了GameEvent.ts中的事件注释，修正了CardSelected和CardUsed的载荷类型描述

assets/resources/gui/element/card.prefab.meta

@@ -1,13 +0,0 @@
-{
-  "ver": "1.1.50",
-  "importer": "prefab",
-  "imported": true,
-  "uuid": "8aaff904-8c27-4173-9716-7161893b336e",
-  "files": [
-    ".json"
-  ],
-  "subMetas": {},
-  "userData": {
-    "syncNodeName": "card"
-  }
-}

assets/script/game/common/config/GameEvent.ts

@@ -20,9 +20,9 @@ export enum GameEvent {
     CastSkill = "CastSkill",
     CardsClose = "CardsClose",
     CardRefresh = "CardRefresh",
-    /** 单张卡牌被点击选中（payload 为被点击的 CardComp 实例，用于其他卡牌联动隐藏 call_btn） */
+    /** 单张卡牌被点击选中（payload 为被点击的 CHeroComp 实例，用于其他卡牌联动隐藏 call_btn） */
     CardSelected = "CardSelected",
-    /** 单张卡牌被成功使用（payload 为该卡槽组件实例 CardComp / SCardComp，用于 MissionCardComp 补卡） */
+    /** 单张卡牌被成功使用（payload 为该卡槽组件实例 CHeroComp / SCardComp，用于 MissionCardComp 补卡） */
     CardUsed = "CardUsed",
     UseHeroCard = "UseHeroCard",
     UseSkillCard = "UseSkillCard",

assets/script/game/map/CardComp.ts.meta

@@ -1 +0,0 @@
-{"ver":"4.0.24","importer":"typescript","imported":true,"uuid":"c4842465-1171-41b1-85ab-66922e63d734","files":[],"subMetas":{},"userData":{}}